Picks and Pans Review: Also on Rounds ...

updated 04/21/2008 AT 01:00 AM EDT

originally published 04/21/2008 AT 01:00 AM EDT

DR. WYATT AMY MADIGAN In keeping with Grey's A-list guest stars, the 1986 Oscar nominee will enjoy a stint as a hospital psychiatrist. No word on whether she'll evaluate her sometimes-loony coworkers.

ALEX KAREV JUSTIN CHAMBERS The resident bad boy is in a love triangle with ex-patient Rebecca and Meredith's sister Lexie. Who will he choose? Chyler Leigh votes for her character, Lexie: "They're kindred spirits."

ADDISON FORBES MONTGOMERY KATE WALSH Back from Private Practice for one episode to perform a rare procedure. Says Walsh: "I'm there to cause trouble, I'm sure."

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